Nokia MOBILE PHONE N86 - Manual (Page 19)

in your device, or you may receive or request the settings
from the network service providers as a special message.
You can change the general settings in your device, such
as language, standby mode, display, and keypad lock
settings.
Access codes
If you forget any of the access codes, contact your service
provider.
Personal identification number (PIN) code — This code
protects your SIM card against unauthorised use. The PIN
code (4 to 8 digits) is usually supplied with the SIM card.
After three consecutive incorrect PIN code entries, the
code is blocked, and you need the PUK code to unblock it.
UPIN code — This code may be supplied with the USIM
card. The USIM card is an enhanced version of the SIM card
and is supported by UMTS mobile phones.
PIN2 code — This code (4 to 8 digits) is supplied with some
SIM cards, and is required to access some functions in your
device.
Lock code (also known as security code) — The lock code
helps you to protect your device against unauthorised use.
The preset code is 12345. You can create and change the
code, and set the device to request the code. Keep the new
code secret and in a safe place separate from your device.
If you forget the code and your device is locked, your
device will require service and additional charges may
apply. For more information, contact a Nokia Care point or
your device dealer.
Personal Unblocking Key (PUK) code and PUK2
code — These codes (8 digits) are required to change a
blocked PIN code or PIN2 code, respectively. If the codes
are not supplied with the SIM card, contact the operator
whose SIM card is in your device.
UPUK code — This code (8 digits) is required to change a
blocked UPIN code. If the code is not supplied with the
USIM card, contact the operator whose USIM card is in your
device.
Prolong battery life
Many features in your device increase the demand on
battery power and reduce the battery lifetime. To save
battery power, note the following:
•
Features that use Bluetooth technology, or allowing
such features to run in the background while using
other features, increase the demand on battery
power. Deactivate Bluetooth technology when you do
not need it.
• Features that use wireless LAN (WLAN), or allowing
such features to run in the background while using
other features, increase the demand on battery
power. WLAN on your Nokia device deactivates when
you are not trying to connect, not connected to an
access point, or not scanning for available networks.
To further reduce battery consumption, you can
specify that your device does not scan, or scans less
often, for available networks in the background.
• If you have set Packet data connection to When
available in connection settings, and there is no
packet data coverage (GPRS), the device periodically
tries to establish a packet data connection. To prolong
the operating time of your device, select Packet data
connection > When needed .
19
Find hel
p